Mueller Streamline Copper Coupling Straight
A straight slip coupling forged from refined copper for repairing or extending copper water pipes in potable water systems. Features solder ends for reliable joints, compliant with NSF/ANSI 61 for drinking water. Falls under HTS 7412.10.00.00 as a refined copper pipe coupling fitting.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from copper-nickel alloy
Copper-nickel base alloys (per note d) classify under copper alloy fittings subheading.
If cast iron with copper plating
Base material determines heading; copper-plated iron fittings go to iron/steel tube fittings.
If imported as HVAC system component
Parts of air conditioning machines may classify under Chapter 84 based on specific end-use.
Not sure which classification is right?
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Import Tips & Compliance
• Provide NSF/ANSI 372 low-lead certification documentation for US plumbing code compliance
• Declare exact dimensions and pressure class (e.g
• 200 PSI) to match statistical suffixes if required
• Avoid undervaluation penalties by including retail packaging details if sold consumer-ready
Related Products under HTS 7412.10.00.00
Viega ProPress Copper Coupling
A press-fit copper coupling made from wrought refined copper for quick plumbing connections without soldering. Features EPDM sealing gasket for 200 PSI pressure rating in fire sprinkler systems. HTS 7412.10.00.00 applies to this refined copper pipe coupling.
Copper Sweat Adapter Male IPS
A refined copper adapter with sweat (solder) end and male iron pipe threads for transitioning plumbing connections. Used in water supply lines, compliant with ASTM B75. Falls under HTS 7412.10.00.00 as refined copper tube fittings.
Elkhart Copper Sleeve Union
A copper sleeve union fitting of refined copper with ground seat joints for easy pipe disconnection in maintenance. Ideal for hot water recirculation systems, pressure-rated to 400 PSI. HTS 7412.10.00.00 for refined copper pipe unions.
Refined Copper Flare Fitting 45 Degree
45-degree flare elbow made from refined copper tube stock for gas and refrigerant lines in HVAC systems. Double-thick flare ensures leak-free connections under vibration. Classified HTS 7412.10.00.00 as refined copper tube fittings.
Copper Drop Ear Elbow Support
A drop ear elbow of refined copper with mounting tabs for securing plumbing lines to studs in suspended installations. Solder cup ends for secure pipe attachment in drainage systems. HTS 7412.10.00.00 covers this refined copper elbow fitting.
NIBCO Copper Pressure Elbow 90 Degree
A 90-degree elbow fitting made from refined copper (C12200 alloy) designed for high-pressure plumbing systems in residential and commercial water lines. It connects copper pipes securely at angled turns, meeting ASTM B88 standards for seamless copper tube fittings. Classified under HTS 7412.10.00.00 as a copper tube or pipe fitting of refined copper.